<%- PREFETCH_CHUNK_HANDLERS %>.j = <%- basicFunction("chunkId") %> {
  if ((!<%- HAS_OWN_PROPERTY %>(installedChunks, chunkId) || installedChunks[chunkId] === undefined) && <%- _js_matcher %>) {
    installedChunks[chunkId] = null;
    <%- _link_prefetch %>
    document.head.appendChild(link);
  }
};
